The Peshtigo Fire
The Peshtigo Fire of October 8, 1871 is the deadliest wildfire in recorded history, killing an estimated 1,200 to 2,500 people in northeastern Wisconsin. It burned the same night as the Great Chicago Fire, which overshadowed it in the national press despite killing several times more people.
Shaded circle = 1,200,000 acres burned
The shaded circle covers the same area as the fire’s recorded footprint, centered near its origin. Real perimeters were irregular and wind-driven.
Key facts
What happened
After a summer of severe drought, small fires from land clearing, logging, and railroad construction smoldered across the cutover forests of northeastern Wisconsin. On the night of October 8, a powerful cold front drove them together into a firestorm with its own weather: survivors described a wall of flame, tornado-like fire whirls, and superheated winds that lifted rail cars from tracks.
The lumber town of Peshtigo, built almost entirely of wood and surrounded by sawdust-strewn streets, was destroyed in about an hour. Roughly 800 people died in the town alone; many survivors lived only by submerging themselves in the Peshtigo River.
Why it matters
Peshtigo remains the benchmark for wildfire mass-casualty events and is studied by fire scientists as an archetypal firestorm. Because it occurred the same night as the Great Chicago Fire and the Great Michigan Fires, October 8, 1871 is the deadliest fire day in American history.
The disaster's lessons about drought, slash fuels, and wind-driven fire behavior remain directly relevant to modern megafires.
Frequently asked questions
Why is the Peshtigo Fire less famous than the Great Chicago Fire?
Both fires burned on the same night, October 8, 1871. Chicago's fire destroyed a major city and dominated newspaper coverage, while remote Peshtigo's far greater death toll went underreported for years.
How many people died at Peshtigo?
Estimates range from about 1,200 to 2,500 deaths. The exact toll is unknowable because immigration records, and in many cases entire families, burned in the fire.
Could a fire like Peshtigo happen again?
Modern detection, forecasting, and evacuation make an identical event unlikely in the US, but recent fires such as Lahaina in 2023 show that fast wind-driven fires can still overwhelm towns with little warning.
Wondering what is burning in Wisconsin right now? See the live Wisconsin wildfire map →
Keep reading
Sources
- National Weather Service: The Peshtigo Fire
- Wisconsin Historical Society: Peshtigo Fire
- Peshtigo Fire Museum
Facts checked against the sources above. Figures such as costs and death tolls follow the most widely accepted official counts.